Dialkylate
二烃基化合物
🗣️ 情景例句
Oh, hello! How nice of you to remember us!
噢， 好， 真好， 还记得我们！
The two warring countries refused to negotiate.
这两个交战国拒绝谈判。
They don't often have a bad day this year.
他们今年的运气还不错。